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All Journal Jurnal Ecocentrism
Shinta Enggar Maharani
Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Mahasaraswati Denpasar
Energy Engineering Environmental Science

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Keanekaragaman Jenis Mangrove Pada Tahura Ngurah Rai Sekitar PLTD/G Pesanggaran Ni Luh Putu Mahendra Dewi; Shinta Enggar Maharani
Jurnal Ecocentrism Vol. 2 No. 1 (2022): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan Unmas Denpasar

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Abstract

Mangrove forest as a tropical coastal vegetation community is dominated by several species of mangrove trees that are able to grow and develop in muddy coastal tidal areas. This ecosystem has ecological and economic functions. Indonesia has the highest mangrove area, which is 3,112,989 ha or 22.6% of the world's total mangrove area. The majority of mangrove forests in Bali Province grow in the Ngurah Rai Taman Hutan Raya (TAHURA). This study aims to determine the condition and diversity of mangroves in The Ngurah Rai Tahura which borders the PLTD/G PT Indonesia Power UBPB Pesanggaran Denpasar. Types of Mangroves found in The Ngurah Rai Tahura Around PLTD/G Pesanggaran totaled 18 species, dominated by 6 species of mangrove with high importance (INP > 20%) respectively: Rhyzophora apiculata INP = 63.221%, Rhyzophora mucronata INP = 52.433%, Sonneratia alba INP = 30.323%, Sonneratia caseolaris INP = 28.670%, Xylocarpus granatum INP = 25.320 %, and Bruguiera gymnorrhyza INP = 22.421%. The results of the analysis of the Important Value Index as a whole are 298.342. This indicates that the mangrove community at the research site is quite stable, dense and stable, while the diversity index is 1.9546.
Implementasi Pengomposan Dan Eco Enzyme Dalam Pengolahan Sampah Rumah Tangga Di Kelurahan Abianbase Shinta Enggar Maharani; Ni Luh Putu Mahendra Dewi
Jurnal Ecocentrism Vol. 2 No. 2 (2022): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan Unmas Denpasar

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Abstract

Lack of public knowledge on waste sorting and processing waste from the source causes air, water, and soil pollution to be unavoidable. Pollution is also evident in the landfill itself, where the landfill is overloaded due to irregular waste disposal. Reflecting on the existing problems, the solution offered is a community assistance program to sort and process household waste using the 3R concept and programs for making compost and eco-enzymes, which can be used to fertilize vegetable crops in their respective homes. Counseling on health care and environmental sustainability is the initial activity to make people aware of the importance of protecting the environment. Furthermore, residents are trained and continue to be assisted to be able to sort and process household waste into things that are more useful and have economic value. It is hoped that this activity can continue in a sustainable manner so that residents can get positive results such as picking organic vegetables in their own gardens and reducing the cost of transporting waste. If the activities in Kelurahan Abianbase can continue to run well, then the Village can be used as a model for other areas, in terms of household waste management.
Limbah Batu Lahar Gunung Agung Sebagai Bahan Campuran Beton Dalam Upaya Kelestarian Lingkungan I Made Sastra Wibawa; Shinta Enggar Maharani
Jurnal Ecocentrism Vol. 3 No. 1 (2023): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan Unmas Denpasar

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There is a lot of excavation of materials for concrete mixtures in nature so that their existence is dwindling. Efforts are needed to find substitute materials but still maintain the quality of the concrete obtained. The purpose of this study is to determine the percentage of waste lava stone as a substitute for coarse aggregate in order to obtain compressive strength according to the plan and to determine the effect of environmental sustainability after waste stone is used as a concrete mixture. This study was conducted at the Laboratory of the Faculty of Engineering Unmas Denpasar by making a cylindrical specimen with a diameter of 15 cm and a height of 30 cm. Replacement of lava rock waste was made in 5 categories P0, P1, P2, P3, P4 with 8 specimens in each category, where the compressive strength test was carried out at the age of 28 days, with category P0 as a control without adding lava rock waste. The results showed that there was an increase in the compressive strength of concrete in categories P1 and P2, P3 and a decrease in the compressive strength of concrete in category P4, but the decrease that occurred design compressive strength.
Co-Authors I Made Sastra Wibawa Ni Luh Putu Mahendra Dewi